Meningococcal disease is caused by bacteria (germs) called meningococci, also known as Neisseria meningitidis. Although meningococcal disease is uncommon, it is a very serious disease.
The infection can develop very quickly and can be fatal in about 10 percent of cases. If infection is diagnosed early enough and the right antibiotics are given quickly, most people make a complete recovery.
Meningococcal bacteria commonly cause:
